304L Material 300LBS Pressure Blind Flange Lap Joint Flange with Long Lifespan
BLIND FLANGES - Normally supplied with flat face according to standards UNI 6095-67 / UNI 6096-67 / UNI 6097-67
Product Name: Lap Joint Flange
Pressure Rating: 300 lbs
Material: 304L Made by Forged Steel Flanges
A flange is defined as a plate-type device, typically round, that is attached to the end of a pipe, fitting, valve, or other object to facilitate the assembly and disassembly of a piping system.
Flanges are manufactured in various materials to match the pipe and fittings they connect to. While some flanges are made of cast iron, the majority are forged carbon steel.
Forged steel flanges are available in seven primary pressure ratings:
- Class 150
- Class 300
- Class 400
- Class 600
- Class 900
- Class 1500
- Class 2500
- Weld Neck Flanges
- Slip-On Flanges
- Lap Joint Flanges
- Threaded Flanges
- Socket Weld Flanges
- Blind Flanges
½" TO 54"
150#, 300#, 600#, 900#, 1500#, 2500#
ASME B 16.5, ASME B 16.47, API 6A
SORF, WNRF, SWRF, BLRF, Threaded, etc.
- A-105
- A-350 LF2 [NACE + HIC]
- F-5, F-9, F-11
- F-22, F-91, etc.
- SS 304, SS 304L
- SS 316, SS 316L
- SS 316Ti, SS 321
- SS 347, SS 304H
- 317L, 347H, etc.
- F-51, F-55
- A694 Gr 52, 60, 65, 70
- AISI 4130, 4140
- Monel 400
- Inconel 625
- Inconel 825
- Alloy 20, etc.
Spacers, Spectacle Blinds, Drip Rings, RTJ, Tongue, Groove, Orifice, etc.
| Nominal Bore | Pipe OD A | Flange dia. B | Raised Face dia. D | Flange Thickness T | Welding Neck | Slip-on Screwed Socket-weld | Bolt PCD | No. of Bolts | Bolt Hole dia. |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 21.4 | 88.9 | 34.9 | 11.1 | 47.6 | 15.9 | 60.3 | 4 | 15.9 |
| 20 | 27.0 | 98.4 | 42.9 | 12.7 | 52.4 | 15.9 | 69.8 | 4 | 15.9 |
| 25 | 34.1 | 107.9 | 50.8 | 14.3 | 55.6 | 17.5 | 79.4 | 4 | 15.9 |
| 32 | 42.9 | 117.5 | 63.5 | 15.9 | 57.1 | 20.6 | 88.9 | 4 | 15.9 |
| 40 | 48.4 | 127.0 | 73.0 | 17.5 | 61.9 | 22.2 | 98.4 | 4 | 15.9 |
| 50 | 60.3 | 152.4 | 92.1 | 19.0 | 63.5 | 25.4 | 120.6 | 4 | 19.0 |
| 65 | 73.0 | 177.8 | 104.8 | 22.2 | 69.8 | 28.6 | 139.7 | 4 | 19.0 |
| 80 | 88.9 | 190.5 | 127.0 | 23.8 | 69.8 | 30.2 | 152.4 | 4 | 19.0 |
| 90 | 101.6 | 215.9 | 139.7 | 23.8 | 71.4 | 31.7 | 177.8 | 8 | 19.0 |
| 100 | 114.3 | 228.6 | 157.2 | 23.8 | 76.2 | 33.3 | 190.5 | 8 | 19.0 |
| 125 | 141.3 | 254.0 | 185.7 | 23.8 | 88.9 | 36.5 | 215.9 | 8 | 22.2 |
| 150 | 165.1 | 279.4 | 215.9 | 25.4 | 88.9 | 39.7 | 241.3 | 8 | 22.2 |
| 150 | 168.3 | 279.4 | 215.9 | 25.4 | 88.9 | 39.7 | 241.3 | 8 | 22.2 |
| 200 | 219.1 | 342.9 | 269.9 | 28.6 | 101.6 | 44.4 | 298.4 | 8 | 22.2 |
| 250 | 273.1 | 406.4 | 323.8 | 30.2 | 101.6 | 49.2 | 361.9 | 12 | 25.4 |
| 300 | 323.9 | 482.6 | 381.0 | 31.7 | 114.3 | 55.6 | 431.8 | 12 | 25.4 |
| 350 | 355.6 | 533.4 | 412.7 | 34.9 | 127.0 | 57.1 | 476.2 | 12 | 28.6 |
| 400 | 406.4 | 596.9 | 469.9 | 36.5 | 127.0 | 63.5 | 539.7 | 16 | 28.6 |
| 450 | 457.2 | 635.0 | 533.4 | 39.7 | 139.7 | 68.3 | 577.8 | 16 | 31.7 |
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